And

logical-functions and (&&)

syntax

  • and(condition1 ,.., conditionn)
  • condition1 && condition2

definition

and(condition1 ,.., conditionn) or condition1 && condition2 combines two or more conditions and results in true values if all conditions are true and in false values if any condition is false.

applies to

conditions

The conditions need to match with regard to their domain-unit or be void (literals or parameters can be combined with data itemsof any domain).

example

1. attribute<bool> condA_and_condB (LDomain) := and(condA, condB);
2. attribute<bool> condA_and_condB (LDomain) := condA && condB;
condA condB condA_and_condB
False False False
False True False
True False False
True True True

LDomain, nr of rows = 4

see also